944285213 has 4 divisors (see below), whose sum is σ = 999831420. Its totient is φ = 888739008.

The previous prime is 944285189. The next prime is 944285219. The reversal of 944285213 is 312582449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312582449 = 5813 ⋅53773.

It can be written as a sum of positive squares in 2 ways, for example, as 270207844 + 674077369 = 16438^2 + 25963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-944285213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944285219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27773078 + ... + 27773111.

It is an arithmetic number, because the mean of its divisors is an integer number (249957855).

Almost surely, 2^944285213 is an apocalyptic number.

It is an amenable number.

944285213 is a deficient number, since it is larger than the sum of its proper divisors (55546207).

944285213 is a wasteful number, since it uses less digits than its factorization.

944285213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55546206.

The product of its digits is 69120, while the sum is 38.

The square root of 944285213 is about 30729.2240871780. The cubic root of 944285213 is about 981.0724110005.

The spelling of 944285213 in words is "nine hundred forty-four million, two hundred eighty-five thousand, two hundred thirteen".